Finding the Fourth Proportional to 1,211,226.66, 1,817,121.23 and 412,515.13
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Solution
The fourth proportional to 1,211,226.66, 1,817,121.23 and 412,515.13 is: 618,868.48
Step by Step Solution
- Step 1: Write the proportion equation
1,211,226.66 : 1,817,121.23 = 412,515.13 : x - Step 2: Convert to fraction form
1,211,226.66/1,817,121.23 = 412,515.13/x - Step 3: Cross multiply
1,211,226.66x = 1,817,121.23 × 412,515.13 - Step 4: Simplify right side
1,211,226.66x = 749,590,000,419.21 - Step 5: Solve for x
x = 749,590,000,419.21/1,211,226.66 - Step 6: Final answer
x = 618,868.48
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.